1.
The child's weight is 8.8 pounds.
The physician orders a dose of 30 mg po bid.
The recommended dose
for this medication is 15 mg/kg/24 hours.
Calculate the safe dosage.
Is the dosage ordered safe? (yes)
2.
The weight of the child you are caring for is 72 pounds.
The physician orders Hydroxyzine 50 mg IM.
The
recommended dose is 1.1 mg/kg.
Calculate the safe dosage.
Is the dosage ordered safe? (no)
3.Zinacef 375 mg has been ordered IV q 8 hours for a child weighing 44 pounds. The recommendeddosage is 50 to 100 mg/kg/day in equally divided doses every six to eight hours. What is the safe dosage?
4.
A child weighing 30 kg has an order for Cefadyl 60 mg IV q 4 hours.
The label states that the
recommended dose 40 to 80 mg/kg/day administered in 6 equally divided doses.
Is the above dose
correct?
If not, what is the acceptable range? (no, too low; 1200-2400 mg/day)
5.
A child with seizures is ordered Phenobarbital 25 mg po bid.
The child weighs 7.2 kg and the
recommended pediatric dose is 5-7 mg/kg/day.
The medication is available as Phenobarbital 20 mg/5 mL.
Is the dosage ordered safe and if so, how much of the medication should be given? (yes; 6.3 mL)
6.
A child with a lower respiratory tract infection is ordered Cloxacillin 100 mg po qid.
The child weighs 17
pounds and the recommended pediatric dose is 50 mg/kg/day.
The drug is available as Cloxacillin 125
mg/5 ml.
Is the dosage ordered safe and if so, how much of the medication should be given? (no, max
dose is 386 mg/day)
7.A child with a postoperative wound infection is ordered Cefazolin 185 mg IV q 6 hours, in 20 mL D5W over 20 minutes. The child weighs 15 kg. The recommended dosage is 25-50 mg/kg/day. Is the dosageordered safe? (yes)
8.
The physician orders digitoxin 0.02 mg IM daily.
The medication is supplied as 0.05 mg/mL.
The child
weighs 6.8 kg and the literature states "maintenance dose of 0.003 mg/kg daily is recommended".
Is the
ordered dose safe?
What amount of medication will you prepare? (yes, 0.4 mL)
9.
A girl who weighs 9.5 kg is ordered phenobarbital elixir for febrile seizures.
The order is 20 mg
phenobarbital elixir po q 12 hours.
The bottle is labeled 20 mg/5 mL. The safe range is 4-6 mg/kg/day in
divided doses q 12 hours.
Is the dose ordered safe? (yes)
10.
What would be a safe dose for a child prescribed the analgesic Demerol if the child's weight is 60 pound
and the prescribed amount is 1.04 mg/kg.
The label on the vial reads 100 mg/mL.
How many mL would
you prepare? (28.4 mg or 28 mg; 0.28 mL)
CASE STUDIES
I.
A patient is admitted to the hospital in sickle cell crisis.
The orders from the
physician include:
-
Bedrest with joint support
-
O
2
at 2 Liters/minute per nasal cannula
-
IV D
5
W/1/2 NS at 150 mL/hr
-
CBC, ESR, serum iron levels and chest X-ray
-
Zofran 8 mg IV q8h
-
Morphine sulfate 5 mg IV prn
-
Hydrea 10 mg/kg/day po
-
Folic acid 0.5 mg daily po
-
Encourage 3000 mL fluid daily po
1.
Calculate gtt/min using macrotubing (10 gtt/mL).
(25 gtt/min)
2.
Calculate how many mL of morphine sulfate will be given IV.
The prefilled syringe is
labeled 10 mg/mL.
(0.5 mL)
3.
